# 私的独占の禁止及び公正取引の確保に関する法律 / Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — 第二十一条 (Article 21)

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- Law: 私的独占の禁止及び公正取引の確保に関する法律 (Act on Prohibition of Private Monopolization and Maintenance of Fair Trade), 昭和二十二年法律第五十四号
- English title "Act on Prohibition of Private Monopolization and Maintenance of Fair Trade": Ministry of Justice translation
- Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say.
- Provision: 第二十一条 (Article 21) — address `art-21`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/art-21
- e-Gov law ID: 322AC0000000054 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page.
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- Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below.

Only the Japanese as published by the government has legal effect; the text
below is a copy of it. Every English rendering below is a translation and
says which kind: the Ministry of Justice's translation, or this
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They are never merged and never substituted for one another.

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### 第二十一条
<sup>art-21 · https://japanlaw.org/ja/antimonopoly-act/art-21</sup>

**第一項**  この法律の規定は、著作権法、特許法、実用新案法、意匠法又は商標法による権利の行使と認められる行為にはこれを適用しない。
<sup>art-21/par-1 · https://japanlaw.org/ja/antimonopoly-act/art-21/par-1</sup>
The provisions of this Act do not apply to acts found to constitute an exercise of rights under the Copyright Act, Patent Act, Utility Model Act, Design Act, or Trademark Act.
<sup>Ministry of Justice translation — Japanese Law Translation Database System</sup>

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## Sources

- e-Gov 法令検索, Digital Agency (デジタル庁) — 私的独占の禁止及び公正取引の確保に関する法律 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/322AC0000000054/20260521_505AC0000000063), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), retrieved 2026-11-06
- This site's parser, version 225 — 私的独占の禁止及び公正取引の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-11-06